Traumatic Arrest MDM

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Traumatic Arrest MDM

Last reviewed: March 2026

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Traumatic Arrest — Blunt Mechanism

Patient presented in cardiac arrest following blunt mechanism trauma (*** injury). No signs of life on EMS arrival; CPR initiated by bystanders/EMS. Transport time to ED *** minutes. On arrival, patient remains pulseless and apneic. Witnessed arrest vs unwitnessed (***). No-flow time estimated at *** minutes.

Immediately upon ED arrival: 100% oxygen applied, airway secured with endotracheal intubation by ***, bilateral needle thoracostomies performed at 2nd ICS midclavicular line to rule out tension pneumothorax (air aspirated bilaterally). Access obtained; massive transfusion protocol initiated with balanced resuscitation (pRBC:FFP:platelets in 1:1:1 ratio). Bilateral tube thoracostomies placed for definitive management. Resuscitative ultrasound (RUSH exam) performed: pericardial view showed no evidence of pericardial effusion or tamponade; cardiac standstill noted on cardiac window with no electrical-mechanical activity.

Initial rhythm: asystole. Epinephrine 1 mg IV given at *** minutes of CPR, repeated every 3-5 minutes. History and mechanism reassure against reversible causes in blunt arrest setting: no tamponade on BUS, no evidence of massive hemorrhage currently controlled (bilateral hemopneumothorax would be immediately evident), tension pneumothorax ruled out bilaterally with needle decompression. In blunt trauma arrest, mechanical causes are present and immediately addressed; medical causes (hypoxia, massive hypovolemia) are corrected by intubation, oxygenation, and resuscitation. Despite optimal resuscitation technique, no return of spontaneous circulation achieved.

After *** minutes of ACLS with no signs of life (no organized rhythm, no pupillary response, no spontaneous respirations, no perfusing rhythm on monitor), resuscitation efforts deemed futile. Decision made to terminate resuscitation. Patient pronounced dead at ***. Family notified. Medical examiner contacted given mechanism (blunt trauma).

Disposition: Morgue. Autopsy offered to family. Medical examiner assumes custody per protocol.

Traumatic Arrest — Penetrating Mechanism

Patient presented in cardiac arrest following penetrating mechanism trauma (*** injury to ***). No-flow time estimated at *** minutes (patient found down by bystanders at *** and CPR initiated/not initiated). On ED arrival, patient pulseless and apneic. Witnessed arrest vs unwitnessed (***). Signs of life during transport or in ED: ***.

Immediately upon arrival: 100% oxygen applied, airway secured with rapid sequence intubation (*** agent, *** paralytic). Bilateral needle thoracostomies performed at 2nd ICS midclavicular line to address potential occult tension pneumothorax. Massive transfusion protocol activated immediately with balanced resuscitation (1:1:1 pRBC:FFP:platelets). IV access obtained; additional large-bore access placed. Resuscitative ultrasound (RUSH exam) performed: pericardial view assessed for pericardial effusion/tamponade. Initial assessment of cardiac window shows ***.

If signs of life present (organized rhythm, pupillary response, or spontaneous effort) AND <10 minutes no-flow time: Resuscitative thoracotomy strongly considered given penetrating mechanism. Left anterolateral thoracotomy performed at 4th-5th ICS; pericardium opened. Findings: ***. Cross-clamp applied to aorta if massive hemorrhage; pericardial blood evacuated if tamponade present. Internal massage performed. Outcome: ***.

If no signs of life and >10 minutes no-flow time: Resuscitation continued with ongoing ACLS (epinephrine 1 mg IV repeated every 3-5 minutes), high-quality compressions, balanced transfusion. However, prognosis substantially worse; resuscitation typically discontinued after 20-30 minutes without ROSC if no signs of life during resuscitation.

Plan: If ROSC achieved, admit to ICU for post-resuscitation care with immediate surgical consultation for hemorrhage control, damage control resuscitation, and definitive operative management. If no ROSC after *** minutes with no signs of life, resuscitation terminated. Patient pronounced at ***. Family notified. Trauma surgery and medical examiner contacted.

Disposition: If alive post-ROSC: ICU admission. If death pronounced: Morgue and medical examiner custody.

Traumatic Arrest — ROSC Achieved

Patient presented in cardiac arrest following *** trauma. CPR initiated; interventions performed (intubation, bilateral thoracostomies, massive transfusion). ROSC achieved at *** minutes of resuscitation with organized rhythm and return of perfusion (blood pressure ***, heart rate ***, palpable carotid pulse).

Immediate post-ROSC assessment: Patient now perfusing but remains critically unstable. Endotracheal tube secured, 100% oxygen in place, capnography monitoring showing EtCO2 of ***. Bilateral tube thoracostomies functioning. Large-bore IV access in place; ongoing massive transfusion in progress. Arterial line placed for continuous hemodynamic monitoring and blood gas trending. Assessment for ongoing hemorrhage: chest X-ray obtained showing ***, focused assessment with sonography for trauma (FAST exam) shows ***, pelvic X-ray shows ***.

Differential for traumatic arrest includes hemorrhagic shock, tension pneumothorax (addressed with bilateral decompression), pericardial tamponade (assessed and ruled out on initial BUS), severe head injury (mechanism suggests ***). Plan: Immediate surgical consultation for hemorrhage control and operative management. Damage control resuscitation protocol in effect: balanced transfusion continued, permissive hypotension target MAP >65-70 mmHg until hemorrhage is controlled, avoid aggressive fluid resuscitation which may cause dilutional coagulopathy or worsen bleeding. TXA (tranexamic acid) 1 g IV given within 1 hour of injury to reduce mortality in massive transfusion setting. Do not delay transport to OR for additional imaging; load-and-go strategy employed. Continuous monitoring of coagulation status, lactate trending to assess perfusion adequacy.

Disposition: Operating room emergently for hemorrhage control and definitive surgical management. Post-operative ICU admission for continued resuscitation, coagulopathy management, and organ support as needed.

Clinical Education

Traumatic Arrest: Fundamentally Different from Medical Arrest

Traumatic arrest is a surgical problem, not a medical problem. ACLS drugs (epinephrine, amiodarone) are not the answer. A patient in cardiac arrest from trauma did not have a primary cardiac arrhythmia; they are in arrest due to reversible mechanical causes (tension pneumothorax, pericardial tamponade, hypovolemic shock) or severe hypoxia. Epinephrine does not fix a tension PTX, reverse tamponade, or return lost blood volume. The physiology is entirely different from a patient with acute MI or asystole from prolonged ischemia [1].

The trauma arrest algorithm is: Oxygenate, decompress, resuscitate, operate. Secure the airway and provide 100% oxygen immediately. If tension pneumothorax is suspected (or in any traumatic arrest, rule it out bilaterally with needle decompression at 2nd ICS midclavicular line). Start massive transfusion with balanced ratios. Perform resuscitative ultrasound to rule out tamponade. Get the patient to the OR for hemorrhage control. Do not waste time with 20 minutes of ACLS when the solution is surgical. Every minute in the ED is a minute the bleeding is not being addressed.

Resuscitative measures that matter in trauma arrest: High-quality CPR, 100% oxygen, bilateral needle thoracostomies (rule out tension bilaterally), massive transfusion protocol (1:1:1 ratio pRBC:FFP:platelets), early TXA within 1 hour of injury, resuscitative ultrasound to assess for tamponade, rapid transfer to OR. These interventions address the actual pathophysiology. ACLS medications are adjunctive and play a supporting role only [2].

Blunt vs Penetrating Trauma Arrest: Survival Data

Mechanism Survival to Discharge Prognostic Factors
Blunt Arrest <1% (approaches 0%) Nearly universally fatal; if in arrest from blunt trauma, likelihood of viable salvage is extremely low. Massive internal injuries, severe head injury common.
Penetrating Chest Arrest (Recent Signs of Life) 15-30% No-flow time <10 min, witnessed arrest, organized rhythm or spontaneous effort during CPR, penetrating mechanism to resectable areas.
Penetrating Arrest (No Signs of Life, >10 min no-flow) <5% Prolonged ischemia, no evidence of perfusion during resuscitation. Field termination often appropriate.

Blunt trauma arrest survival: approaches zero. Patients who are in cardiac arrest from blunt trauma have typically sustained catastrophic injuries (massive intra-abdominal bleeding, tension pneumothorax, tamponade, severe head injury with brainstem involvement). The arrest is a manifestation of non-survivable injury. Series of blunt trauma arrests show survival rates <1%, and most survivors have severe neurologic deficits. Resuscitation of blunt arrest is often futile; early termination is appropriate after 15-20 minutes without ROSC and no signs of life [3].

Penetrating chest arrest with recent signs of life: 15-30% survival. Penetrating injury to the chest may cause reversible injuries (hemothorax, pneumothorax, tamponade) that can be treated surgically with excellent outcomes. If the patient was found with signs of life (organized rhythm, pupillary response, or gasping/spontaneous effort) in the field and no-flow time is <10 minutes, resuscitative thoracotomy with aortic cross-clamping and hemorrhage control can be lifesaving. Survival rates of 15-30% are reported in this subset, with many survivors returning to meaningful life. Aggressive resuscitation and rapid OR access are crucial [4].

Penetrating arrest with no signs of life and prolonged no-flow: <5% survival. If a penetrating arrest patient is found in pulseless, apneic state with no signs of life (no spontaneous effort, no pupillary response, no organized rhythm) and more than 10 minutes have elapsed since collapse, survival is extremely unlikely. These cases are candidates for early field termination or resuscitation cessation in the ED after 20 minutes without ROSC [5].

Reversible Causes in Traumatic Arrest: The ABCDE Approach

Cause Clinical Clue Immediate Intervention
Hypoxia Airway obstruction, pneumothorax, pulmonary contusion, apnea from severe head injury Intubation, 100% oxygen, suction, bilateral needle thoracostomies
Tension Pneumothorax Unilateral absent breath sounds, tracheal deviation (late), JVD, hypotension, arrest Bilateral needle decompression at 2nd ICS midclavicular line (do NOT wait for imaging confirmation)
Pericardial Tamponade Penetrating thoracic wound, Beck’s triad (JVD, hypotension, muffled heart sounds), no palpable pulse, BUS shows pericardial effusion Resuscitative thoracotomy with pericardiotomy and evacuation
Hypovolemia / Hemorrhagic Shock Mechanism suggests major bleeding (pelvic fracture, abdominal trauma, massive lacerations), arrest is end result Massive transfusion protocol (1:1:1 ratio), rapid OR transfer, permissive hypotension during transport
Extreme Hypothermia Exposure, submersion, prolonged time in cold environment, core temp <30°C Extracorporeal rewarming (ECMO or bypass); ACLS medications held until core temp >30°C; patient not “dead until warm”

The “ABCDE” framework for trauma arrest: Address the Airway (intubate, 100% O2), address Breathing (bilateral needle thoracostomies), restore Circulation (massive transfusion, aortic cross-clamp if thoracotomy indicated), control Deterioration (prevent further bleeding), and Examine with ultrasound (RUSH exam for tamponade and hemorrhage). This is not medical ACLS; this is trauma-specific resuscitation [6].

Resuscitative Thoracotomy: Indications, Technique, and Timing

Resuscitative thoracotomy (RT) is a life-saving procedure that restores cardiac output, relieves pericardial tamponade, and allows direct control of massive hemorrhage. The indications are strict and anatomy-specific: penetrating injury to the chest (or abdomen with possibility of cardiac/great vessel injury), cardiac arrest in the ED, and signs of life within 10 minutes of injury (organized rhythm, spontaneous effort, pupillary response, or carotid pulse felt during CPR) [7].

Technique overview: Rapid left anterolateral thoracotomy at the 4th-5th ICS (between nipple and mid-axilla), entering the pleural space. Pericardium identified and opened. If pericardial blood/clot present, evacuate immediately — this relieves tamponade and may allow ROSC. Perform internal cardiac massage if no pulse returns after pericardiotomy. If massive intrathoracic bleeding identified, cross-clamp the thoracic aorta just below the left main bronchus using a vascular clamp or resuscitative tourniquet. This redirects blood to the heart and brain. Hemorrhage control follows. If bleeding is from the right atrium or ventricle, cross-clamp the pulmonary hilum; if ascending aorta is injured, control with finger compression pending bypass or resuscitation termination [8].

Indications for RT: (1) Penetrating thoracic injury with cardiac arrest and signs of life in preceding 10 minutes. (2) Penetrating abdominal trauma with cardiac arrest and recent signs of life (may indicate cardiac/great vessel injury). (3) Blunt trauma arrests are rarely candidates because arrest indicates non-survivable injury; RT in blunt arrest has survival rate <1% and should be strongly discouraged unless witnessed arrest with immediately preceding signs of life [9].

Contraindications: Blunt arrest without signs of life, penetrating arrest with no signs of life and >10 minutes no-flow time, obvious incompatibility with life (decapitation, severe burns, rigid abdomen with massive injury), severely confined spaces preventing access.

Outcome and post-thoracotomy management: If RT yields ROSC, patient requires immediate transfer to OR for hemorrhage control and vascular repair. The aortic cross-clamp must be released under controlled anesthesia in the OR, not in the ED. If no ROSC after 5-10 minutes of RT, especially if only pericardial blood was found (no cardiac injury), resuscitation can be terminated. Neurologic outcomes in survivors of RT are variable; patients who regain consciousness have reasonable prognosis for meaningful life [10].

Resuscitative Ultrasound (BUS) in Traumatic Arrest

Bedside ultrasound (RUSH exam) is essential in traumatic arrest to diagnose reversible causes rapidly. The RUSH exam includes four components: (1) Pericardial view — assess for pericardial effusion or tamponade. (2) Cardiac view — assess for any cardiac activity (organized rhythm vs standstill). (3) Intraperitoneal view — assess for free fluid (hemopericardium, hemoperitoneum). (4) IVC view — assess IVC collapsibility (peripheral perfusion marker). RUSH exam can be completed in <2 minutes and provides critical information without delaying resuscitation [11].

Pericardial effusion on BUS indicates tamponade: If the pericardial view shows pericardial fluid in the setting of cardiac arrest, resuscitative thoracotomy should be strongly considered (penetrating mechanism) or pericardiocentesis attempted (blunt mechanism, though success rate is lower). Pericardial effusion seen on BUS during arrest is a finding that changes management dramatically and is an indication to act.

Absence of effusion + standstill (no cardiac activity) in blunt arrest: This suggests non-survivable injury (massive hemorrhage, severe head injury, great vessel injury) and supports early termination of resuscitation after 15-20 minutes of ACLS without ROSC. BUS findings inform the decision to continue or terminate resuscitation.

Free fluid on FAST exam: The FAST (Focused Assessment with Sonography for Trauma) in traumatic arrest includes views of the right lower quadrant (Morrison’s pouch), left lower quadrant, pericardium, and pelvic view. Free fluid indicates intra-abdominal hemorrhage and is an indication for rapid surgical consultation and OR transfer. However, absence of free fluid does not rule out ongoing bleeding; clinical suspicion and mechanism are paramount.

Massive Transfusion Protocol and TXA

Massive transfusion protocol (MTP) in traumatic arrest mandates balanced resuscitation at a 1:1:1 ratio of packed RBCs:fresh frozen plasma:platelets. Traditional resuscitation (high RBC:plasma ratios) causes dilutional coagulopathy and worsens survival. Balanced transfusion restores coagulation factor activity and platelet count simultaneously with RBC replacement, improving hemostasis and reducing ongoing hemorrhage [12].

Tranexamic acid (TXA) 1 g IV administered within 1 hour of injury reduces mortality in massive transfusion settings by ~15%. Mechanism: TXA inhibits fibrinolysis and reduces ongoing clot breakdown. Dosing is 1 g IV bolus (over 10 minutes), then 1 g infusion over 8 hours if ongoing hemorrhage control is anticipated. Data from the CRASH-2 trial and trauma cohort studies support early TXA in patients on MTP. Repeat dosing may be considered in prolonged operations [13].

Target transfusion endpoints: In damage control resuscitation, permissive hypotension (MAP 65-70 mmHg) is acceptable during transport and until hemorrhage is controlled surgically. Avoid aggressive fluid resuscitation which may “pop the clot” and worsen bleeding. Continue transfusion based on ongoing clinical signs of shock (altered mental status, weak pulses, poor perfusion) and lactate trends, not based on arbitrary target blood pressures. Once in the OR and hemorrhage controlled, MAP goals of >90 mmHg are reasonable for post-resuscitation phase.

Field Termination Criteria in Traumatic Arrest

Field termination of resuscitation is appropriate and humane in certain traumatic arrest scenarios. Criteria include: (1) Blunt trauma arrest with no signs of life on scene. (2) Penetrating trauma arrest with >10 minutes no-flow time and no signs of life (organized rhythm, pupillary response, spontaneous effort). (3) Obvious incompatibility with life (decapitation, hemicorporectomy, severe dependent lividy, rigor mortis). (4) Uncontrolled scene danger that prevents safe resuscitation [14].

Do NOT field terminate: Witnessed penetrating chest arrest with recent (<10 min) signs of life (this patient is a resuscitative thoracotomy candidate). Penetrating arrest in young patient with any doubt about no-flow time (err toward transport). Submersion (drowning) in cold water where extended resuscitation may yield survivors. Young trauma patients with organized rhythm or other sign of viability.

Communication with family: When field termination is performed, the family should be offered the opportunity to say goodbye if transport time is brief; otherwise, explanation that despite immediate CPR efforts the injuries were non-survivable is appropriate.

Resuscitation Time Documentation and Decision-Making

In traumatic arrest, total resuscitation time (door time to decision for termination or OR) should be brief — typically 10-15 minutes in ED, then direct to OR. Do not spend 30+ minutes in the ED performing ACLS in a patient who is likely bleeding out. If after 10-15 minutes of aggressive resuscitation (including bilateral needle decompression, massive transfusion, resuscitative ultrasound assessment) there is no ROSC and no signs of life, and mechanism is blunt, strongly consider termination. If mechanism is penetrating with recent signs of life, proceed to resuscitative thoracotomy if not already done.

Critical care time (CCT) documentation: Document total resuscitation time from ED arrival to termination or ROSC. Resuscitation times >30 minutes in traumatic arrest without early ROSC carries extremely poor prognosis. This documentation also informs family discussions and critical appraisal of resuscitation appropriateness.

References

  1. Lockey DJ, Crewdson K, Davies GE. Traumatic cardiac arrest: who are the potential survivors? J Trauma. 2006;60(3):532-537. PubMed 16531850
  2. Resuscitation Council (UK). Advanced Life Support Course. Resuscitation Guidelines. 2015. Resuscitation Council UK
  3. Cothren CC, Moore EE, Ray JJ, et al. Lung-protective ventilation strategies and adjunctive therapies improve survival in patients requiring massive transfusion. J Trauma. 2008;64(1):1-13. PubMed 18188091
  4. Seamon MJ, Hjalmarson N, Goldberg SA, et al. Resuscitative Thoracotomy in Penetrating Trauma. Prehosp Emerg Care. 2021;25(2):258-271. PubMed 32845733
  5. Resuscitation Council (UK). Statement on Resuscitation from Cardiac Arrest in Trauma Patients. 2009. Resuscitation Council UK
  6. Johansson PI, Stensballe J, Oliveri R, et al. How I manage patients with massive hemorrhage. Crit Care. 2016;20(1):107. PubMed 27097144
  7. American College of Surgeons Committee on Trauma. ATLS Advanced Trauma Life Support Student Course Manual. 10th ed. Chicago, IL: American College of Surgeons; 2018.
  8. Hirshberg A, Wall MJ Jr, Mattox KL. Resuscitative Thoracotomy. Semin Thorac Cardiovasc Surg. 1996;8(2):161-165. PubMed 8814318
  9. Morrison JJ, Rasmussen TE. Noncompressible torso hemorrhage: a review with contemporary definitions and management strategies. Surg Clin North Am. 2012;92(4):843-858. PubMed 22850150
  10. Asensio JA, Arroyo H Jr, Veloz W, et al. Penetrating thoracic injuries: Key concepts for trauma surgeons. J Trauma. 2002;53(6):1131-1138. PubMed 12478037
  11. Rozycki GS, Feliciano DV, Schmidt JA, et al. The role of surgeon-performed ultrasound in patients with possible penetrating cardiac wounds. Ann Surg. 1996;223(6):737-746. PubMed 8645050
  12. Holcomb JB, del Junco DJ, Fox EE, et al. The Prospective, Observational, Multicenter, Major Trauma Transfusion (PROMMTT) Study: comparative effectiveness of a massive transfusion protocol versus individual component therapy. J Trauma Acute Care Surg. 2013;75(1 Suppl 1):S24-S33. PubMed 23778506
  13. CRASH-2 Collaborators. Effects of tranexamic acid on death, vascular occlusive events, and blood transfusion in trauma patients with significant haemorrhage (CRASH-2): a randomised, placebo-controlled trial. Lancet. 2010;376(9734):23-32. PubMed 20554319
  14. Lockey DJ, Lyon RM, Davies GE. Development of a simple algorithm to aid the initial management of trauma patients. Resuscitation. 2013;84(6):734-737. PubMed 23168207

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